The price depends on the difficulty of finding a vanity address. Using capital or case sensitive chars,
difficulty of calculation will be increased. That is why the price difference.
Lenght Any characters Case sensitive Estimate time
1freefree5 minutes
2freefree10 minutes
3freefree20 minutes
40.001 BTC 0.0015 BTCabout 1 hour
50.0015 BTC0.0025 BTCabout 3 hours
60.0025 BTC0.0043 BTCabout 8 hours
70.0042 BTC0.0217 BTCabout 12 hours
80.0195 BTC0.1091 BTCabout 24 hours